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    sallie.xh's Avatar
    sallie.xh Posts: 1, Reputation: 1
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    #1

    Mar 5, 2011, 07:35 AM
    Probability on darts
    A dart board is in the shape of an equilateral triangle of side 20cm. 5 darts are thrown at random on the board, what is the probability that there are at least 2 darts whose distance apart is at most 10cm ?
    Stratmando's Avatar
    Stratmando Posts: 11,188, Reputation: 508
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    #2

    Mar 5, 2011, 06:46 PM

    Depends on the thrower.
    1 thrower may not hit the board, another may split the darts. It is a skill, not a chance game.
    Unknown008's Avatar
    Unknown008 Posts: 8,076, Reputation: 723
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    #3

    Mar 6, 2011, 10:21 AM

    What do you think is the answer? Use this:

    Probability at least 2 darts are 10 cm apart = 1 - Probability no 2 darts are within and including 10 cm apart.

    Is there a way to get all 5 darts at more than 10 cm apart? That is the real question.
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